Finding the Fourth Proportional to 743,690.16, 1,026,303.48 and 404,158.68
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Solution
The fourth proportional to 743,690.16, 1,026,303.48 and 404,158.68 is: 557,744.99
Step by Step Solution
- Step 1: Write the proportion equation
743,690.16 : 1,026,303.48 = 404,158.68 : x - Step 2: Convert to fraction form
743,690.16/1,026,303.48 = 404,158.68/x - Step 3: Cross multiply
743,690.16x = 1,026,303.48 × 404,158.68 - Step 4: Simplify right side
743,690.16x = 414,789,459,756.21 - Step 5: Solve for x
x = 414,789,459,756.21/743,690.16 - Step 6: Final answer
x = 557,744.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.